Time To Say Goodbyesea otter retreating

The playtime was over and the otter was ready to go back to his way, trying to find out his troop; where they belong.  It was time for him to get back to his search operation and after a bit of fun, he was ready to head back to the oceans. The only question that everyone was left with was why was he so friendly? And researchers have an answer ready to explain this.